BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 54 33.5%
2 United States 54 33.5%
3 Netherlands 20 12.4%
4 Germany 16 9.9%
5 Taiwan 6 3.7%
6 Hong Kong 3 1.9%
7 Canada 2 1.2%
8 Australia 1 0.6%
9 Portugal 1 0.6%
10 Japan 1 0.6%
11 Thailand 1 0.6%
12 Ukraine 1 0.6%
13 United Kingdom 1 0.6%